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224a033252
Use the hwdep device for loading OPL2/3 patch data instead of the messy sequencer instrument layer. Due to this change, the sbiload program should be updated, too. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
135 lines
4.2 KiB
C
135 lines
4.2 KiB
C
#ifndef __SOUND_ASOUND_FM_H
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#define __SOUND_ASOUND_FM_H
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/*
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* Advanced Linux Sound Architecture - ALSA
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*
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* Interface file between ALSA driver & user space
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* Copyright (c) 1994-98 by Jaroslav Kysela <perex@perex.cz>,
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* 4Front Technologies
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*
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* Direct FM control
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#define SNDRV_DM_FM_MODE_OPL2 0x00
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#define SNDRV_DM_FM_MODE_OPL3 0x01
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struct snd_dm_fm_info {
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unsigned char fm_mode; /* OPL mode, see SNDRV_DM_FM_MODE_XXX */
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unsigned char rhythm; /* percussion mode flag */
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};
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/*
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* Data structure composing an FM "note" or sound event.
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*/
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struct snd_dm_fm_voice {
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unsigned char op; /* operator cell (0 or 1) */
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unsigned char voice; /* FM voice (0 to 17) */
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unsigned char am; /* amplitude modulation */
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unsigned char vibrato; /* vibrato effect */
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unsigned char do_sustain; /* sustain phase */
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unsigned char kbd_scale; /* keyboard scaling */
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unsigned char harmonic; /* 4 bits: harmonic and multiplier */
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unsigned char scale_level; /* 2 bits: decrease output freq rises */
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unsigned char volume; /* 6 bits: volume */
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unsigned char attack; /* 4 bits: attack rate */
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unsigned char decay; /* 4 bits: decay rate */
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unsigned char sustain; /* 4 bits: sustain level */
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unsigned char release; /* 4 bits: release rate */
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unsigned char feedback; /* 3 bits: feedback for op0 */
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unsigned char connection; /* 0 for serial, 1 for parallel */
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unsigned char left; /* stereo left */
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unsigned char right; /* stereo right */
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unsigned char waveform; /* 3 bits: waveform shape */
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};
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/*
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* This describes an FM note by its voice, octave, frequency number (10bit)
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* and key on/off.
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*/
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struct snd_dm_fm_note {
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unsigned char voice; /* 0-17 voice channel */
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unsigned char octave; /* 3 bits: what octave to play */
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unsigned int fnum; /* 10 bits: frequency number */
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unsigned char key_on; /* set for active, clear for silent */
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};
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/*
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* FM parameters that apply globally to all voices, and thus are not "notes"
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*/
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struct snd_dm_fm_params {
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unsigned char am_depth; /* amplitude modulation depth (1=hi) */
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unsigned char vib_depth; /* vibrato depth (1=hi) */
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unsigned char kbd_split; /* keyboard split */
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unsigned char rhythm; /* percussion mode select */
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/* This block is the percussion instrument data */
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unsigned char bass;
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unsigned char snare;
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unsigned char tomtom;
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unsigned char cymbal;
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unsigned char hihat;
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};
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/*
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* FM mode ioctl settings
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*/
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#define SNDRV_DM_FM_IOCTL_INFO _IOR('H', 0x20, struct snd_dm_fm_info)
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#define SNDRV_DM_FM_IOCTL_RESET _IO ('H', 0x21)
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#define SNDRV_DM_FM_IOCTL_PLAY_NOTE _IOW('H', 0x22, struct snd_dm_fm_note)
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#define SNDRV_DM_FM_IOCTL_SET_VOICE _IOW('H', 0x23, struct snd_dm_fm_voice)
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#define SNDRV_DM_FM_IOCTL_SET_PARAMS _IOW('H', 0x24, struct snd_dm_fm_params)
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#define SNDRV_DM_FM_IOCTL_SET_MODE _IOW('H', 0x25, int)
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/* for OPL3 only */
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#define SNDRV_DM_FM_IOCTL_SET_CONNECTION _IOW('H', 0x26, int)
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/* SBI patch management */
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#define SNDRV_DM_FM_IOCTL_CLEAR_PATCHES _IO ('H', 0x40)
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#define SNDRV_DM_FM_OSS_IOCTL_RESET 0x20
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#define SNDRV_DM_FM_OSS_IOCTL_PLAY_NOTE 0x21
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#define SNDRV_DM_FM_OSS_IOCTL_SET_VOICE 0x22
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#define SNDRV_DM_FM_OSS_IOCTL_SET_PARAMS 0x23
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#define SNDRV_DM_FM_OSS_IOCTL_SET_MODE 0x24
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#define SNDRV_DM_FM_OSS_IOCTL_SET_OPL 0x25
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/*
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* Patch Record - fixed size for write
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*/
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#define FM_KEY_SBI "SBI\032"
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#define FM_KEY_2OP "2OP\032"
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#define FM_KEY_4OP "4OP\032"
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struct sbi_patch {
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unsigned char prog;
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unsigned char bank;
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char key[4];
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char name[25];
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char extension[7];
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unsigned char data[32];
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};
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#endif /* __SOUND_ASOUND_FM_H */
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